hold back例句

He could no longer hold back convulsive laughter.
他再也忍不住，前俯后仰地大笑起来。

She kept trying to hold back her tears.
她一直在试图抑制住眼泪。

She closed her eyes tightly in a vain attempt to hold back the tears.
她紧闭双眼，却无法忍住眼泪。