bring sth up to date
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⇨ MODERN 4
热门单词
- be on the way up
- be on the wrong track/tack
- be on top form
- be on top of the world
- be on tour
- be on trial
- be on your best behaviour
- be on your feet
- be on your guard
- be on/at sb's heels
- be on/be playing
- be one of a kind
- be one sandwich short of a picnic
- be only to be expected
- be open to criticism
- be open to discussion/negotiation
- be opposites
- be orphaned
- be out
- be out cold
- be out like a light
