under a cloud
有嫌疑,惹上麻烦
Mr. Wang left the country under a cloud of suspicion.
王先生因受到怀疑而出国了。
under fire
饱受批评
The government's new medical policy has come under fire.
政府的新医疗政策饱受批评。
under no circumstances
无论如何都不……
Under no circumstances are you to smoke in this office.
无论如何你都不能在这间办公室里吸烟。
under sb's thumb
完全受到某人的控制
Kathy is tired of being kept under your thumb. She's leaving.
凯西对你的控制感到厌倦。她要离开了。
up for grabs
大家都有份
The championship is up for grabs! It'll be decided on the last day of the season.
大家都有机会获得冠军!球季的最后一天便会有所裁决。
up in the air
悬而未决
Our vacation plans are still up in the air.
我们的休假计划还是没有定案。