fling off

1.When this material burns, it flings off a nasty smell.

这种物质燃烧时发出股闻的气味。

2.I can fling off a poem in half an hour.

我用半小时就可以诗。

3.He was pleased to be able to fling off such an unwelcome responsibility.

能摆脱如此令人厌烦的责任他感到很高兴。