That said?

A no-brainer?

看美剧学口语：下课了怎么说

Apple’s ‘fig leaf’?

Moral fiber

Scratching the surface?

Ahead of the curve?

The straight and narrow?

Get it out of your system

Last time I checked

Off and on?

Don’t wear it on your sleeve

Piece of cake?

Heads I win, tails you lose

Don't expect anyone to cut you any slack

Written all over it?

All comers?

Take the heat?

Off the table?

Don’t take it to heart

Victory lap?

Damon and Pithiest

耶鲁校友谈美国老师的教育方式

An idea whose time has come

Always on the outside looking in?

Have baggage?

The penny has dropped

No strings attached?

Do you second-guess?

Well-heeled area?