[fèn liang]

give full measure
給足分量

give short measure
分量給得不足

What he said should not be taken lightly.; What he has said carries a lot of weight.
他這話說得很有分量。

This book is quite heavy.
這本書的分量可不輕。

I believe she has some influence with the headmaster -- she might persuade him.
我相信她的話在校長面前有一些分量，她有可能說服他。