看美剧学口语：下课了怎么说

Manufacturing hits brick wall

Safe and sound?

Deer in headlights?

Scratching the surface?

Ahead of the curve?

A no-brainer?

Keep his feet to the fire

No strings attached?

Damon and Pithiest

Written all over it?

Get it out of your system

Do you second-guess?

The penny has dropped

Piece of cake?

Take the heat?

Pulling her leg?

That particular bridge?

羊群心理 Herd instinct

If not this year, then next

Don't expect anyone to cut you any slack

耶鲁校友支招 如何选择国外院校（二）

Ripple effect

The meaning of war is lost on him?

Leaving it at that

Moral fiber

Don’t wear it on your sleeve

Don’t take it to heart

All comers?

Small beer?