Examples of using It is difficult to maintain in English and their translations into Vietnamese
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                        Colloquial
                    
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                        Ecclesiastic
                    
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                        Computer
                    
(2) If you do get an erection, it is difficult to maintain.
It is difficult to maintain health through boring exercises.
Zone 5 workouts are  very short because it is difficult to maintain this level for any length of time.
It is difficult to maintain such an unbalanced bilateral trade system.
When before your eyes a person loses control of himself andjust falls, it is difficult to maintain composure.
Sometimes it is difficult to maintain because of such busy lifestyles.
During exercise amino acids become more important as it is difficult to maintain the desired levels from food alone.
It is difficult to maintain white-box testing, as it  requires specialized tools like code analyzers and debugging tools.
World Cup 2018: If it  continues to  violate, it is difficult to maintain broadcast copyrights(18/06/2018).
(1) It is difficult to maintain the calibration characteristics for a long time, andit is  necessary to  periodically re-calibrate.
Such as timber is  relatively inexpensive, but it is difficult to maintain and not durable at the same time.
It is difficult to maintain white box testing as the use of specialized tools like code analysers and debugging tools are  required.
As compared to  native app development, it is difficult to maintain a proper user experience between the Android and iOS app.
When the men are  off hunting all season, orif the entire village has to  constantly be  on the move, it is difficult to maintain stability.
Often during winter conditions, it is difficult to maintain a good supply of liquid to  the expansion valves;
When the men are  off hunting all season, orif the entire village has to  constantly be  on the move, it is difficult to maintain stability.
During exercise, BCAA become more important as it is difficult to maintain the desired levels from food alone.
When translating existing text to  other languages, it is difficult to maintain the parallel versions of texts throughout the life of the product.[17] For instance, if a message displayed to  the user is  modified, all of the translated versions must be  changed.
If it  has been  more than 5years since the new card was  released, and it is difficult to maintain the profitability of the card.
Through the single-term presidency, it is difficult to maintain policy continuance, see results of policy and engage in unified foreign policy," she said.
When the airways spasm orconstrict in response to  the irritating stimulus of the breathing tube, it is difficult to maintain the airway and the patient can become apneic.
Although, at times during the initial period of pregnancy, it is difficult to maintain any diet because of nausea and morning sickness, but after this phase passes, with the growth of baby in the fetus, the nutrition needs also increase.
There are  movable parts, which are  easy to  damage, the bearing of the key parts is  easy to  wear, the dirt resistance is  poor,the cleaning degree of the medium is  high, and it is difficult to maintain the calibration characteristics for a long time, and regular calibration is  required.
When you are  capturing a shot of a tall building from the ground level,or when it is difficult to maintain sufficient distance from the subject in an indoor location, using a wide-angle lens helps you to  capture the view in its entirety to  bring out the expanse or depth.
At present, the common method is  from one place to  the next, but it is difficult to maintain a stable mental map and it is  easy to  lose.
Compared to  native application development, it is difficult to maintain a reasonable user experience between Android and iOS apps.
For tiny subjects that are  moving irregularly and quickly,such as wild birds, it is difficult to maintain focus on the subject with the same AF point that has been  selected.
When translating existing text to  other languages, it is difficult to maintain the parallel versions of texts throughout the life of the product.
Wood is  considered an environmentally friendly material, but it is difficult to maintain, and, moreover, wooden structures are difficult to  adjust after they subside over time and lose their properties.