loosen

音标发音

loosen的基本意思是“放松”“使…松弛”,即放宽松一点以便活动,不要勒或捆得太紧。
loosen常与副词up连用,这个短语有很多意思,要视上下文确定其意思,而且多用于口语当中,可表示“放松”“自然”“不要拘束”,在美国口语中还可表示“说话时不要顾忌,痛痛快快地讲出来”或“用钱大方”。
loosen可用作及物动词,也可用作不及物动词,作及物动词时,其后接名词或代词作宾语。

(NOT FIXED) to (cause to) become loose
(LESS TIGHT) to make something such as your hair or a piece of clothing less tight

If someone loosens restrictions or laws, for example, they make them less strict or severe.
loosening
If someone or something loosens the ties between people or groups of people, or if the ties loosen, they become weaker.
If you loosen your clothing or something that is tied or fastened, you undo it slightly so that it is less tight or less firmly held in place.
If you loosen your grip on something, or if your grip loosens, you hold it less tightly.
If a government or organization loosens its grip on a group of people or an activity, or if its grip loosens, it begins to have less control over it.