He put a lot of effort into making the project successful.

He was tossed about by a capricious fate all his life.

He is being tossed about by a misfortunate fate.

His robbery ended in an attempt.

Natural numbers start from 0 and continue as 1, 2, 3, etc.

Complex numbers are represented by a combination of real numbers and imaginary numbers.

We go sea bathing with the family during the summer vacation.

I feel a lack of sleep.

He was hospitalized for dropsy.

The computer generates a random number.