1 free (of charge)

1 wages

2 pay

3 classifier: 个 gè

4 classifier: 份 fèn

5 classifier: 月 yuè

1 investment

2 to invest

1 to waste

2 to squander

1 to consume

2 to spend

1 in support or witness hereof (idiom)

1 to make use of sth in order to make good the deficits in sth else (idiom)

1 to take a lot of trouble (idiom); painstaking

2 at the cost of a lot of effort

1 to whistle down the wind

2 to waste one's breath (idiom)

1 to think oneself to exhaustion (idiom)