This is the 15303rd most frequent Russian word.
постараются
"Постараются" means "they will try" in English.
The word "постараются" demonstrates willingness or effort to achieve a specific goal in the future on the part of the subject, "они."
Они постараются закончить проект вовремя.
They will try to finish the project on time.
Here, "постараются" is used to emphasize the students' attempt or endeavor to accomplish an assigned task.
Студенты постараются ответить на все вопросы учителя.
The students will try to answer all the teacher's questions.
In this sentence, "постараемся" conveys the speaker's intention to make an effort to fulfill an objective.