let's try, let's make an effort
Tâchons d'y voir clair.
Let's try to make sense of it.
— Des hommes d'honneur (1992)
Tâchons d'en étonner trois.
Let's try to surprise three of them.
— Interstellar (2014)
Tâchons de rester calmes.
Let's try to stay calm.
— Terminator 2 : Le Jugement dernier (1991)
Tâchons de dormir un peu.
Let's try to get some sleep.
— The Big Sick (2017)