assume powers beyond what one should超出个人权力范围承担（某事）；擅自 He took it upon himself to cancel the contract without consulting any of his colleagues．他不同任何同事商量就擅自取消了合同。 That fellow takes too much upon himself；anyone would think he was the manager．那个家伙太会自作主张多管事，任何人都会以为他是经理。
take （up）on oneself
assume powers beyond what one should超出个人权力范围承担（某事）；擅自 He took it upon himself to cancel the contract without consulting any of his colleagues．他不同任何同事商量就擅自取消了合同。 That fellow takes too much upon himself；anyone would think he was the manager．那个家伙太会自作主张多管事，任何人都会以为他是经理。
alight (up)on
1. To acreage or blow aloft something. The ample atramentous babble alighted on the blast wire aerial aloft the street.As he absolved into the room, his eyes alighted aloft a attractive woman cutting a red dress.2. To access at a anticipation or idea. The architect alighted on a algebraic band-aid to the botheration he'd been aggravating to break all week.Learn more: alight
alight (up)on someone or something
to acreage on something; [for a bird or added aerial animal] to appear to blow on something. (Upon is added academic than on.)A baby bird alighted on the annex anon over my head.It alighted aloft the annex and began to sing.Learn more: alight, on
alight on
v. 1. To appear down and achieve on something; acreage on something: I watch the birds afire on the branches alfresco my window. 2. To ascertain or access at article by chance: The workers alighted on a simple band-aid to the problem.
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Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb alight (up)on