He has done everything he can to prepare for the exam, and now he is in a state of 'doing all that is humanly possible and waiting for fate to take its course'.

We should always remember the power of Kannon in difficult times.

I'm so busy with work, I could use all the help I can get.

He was so relaxed that his hands were behind his back.

He is having his hands full with the new project.

He worked as a rear gunner in a fighter plane.

This handover is our new project.

This problem is difficult, and I give up.

He works as a switchman at a railway company.

He is my chauffeur.