tweak

verb

/twiːk/

Verb Forms

present simple I / you / we / they tweak	/twiːk/ /twiːk/
he / she / it tweaks	/twiːks/ /twiːks/
past simple tweaked	/twiːkt/ /twiːkt/
past participle tweaked	/twiːkt/ /twiːkt/
-ing form tweaking	/ˈtwiːkɪŋ/ /ˈtwiːkɪŋ/

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tweak something to pull or twist something suddenly扭；拧；扯
- She tweaked his ear playfully.她拧他的耳朵逗着玩儿。
tweak something to make slight changes to a machine, system, etc. to improve it稍稍调整（机器、系统等）
- I think you'll have to tweak these figures a little before you show them to the boss.我想你得略微改动一下这些数字再让老板过目。

Word Originearly 17th cent.: probably an alteration of dialect twick ‘pull sharply’; related to twitch.

noun

/twiːk/

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a sharp pull or twist扭；拧；扯
- She gave his ear a tweak.她拧了一下他的耳朵。
- She gave his nose an affectionate tweak.她深情地拧了一下他的鼻子。
a slight change that you make to a machine, system, etc. to improve it（对机器、系统等的）轻微调整
- With a few tweaks this venue will be perfect.稍微调整一下，这个场地就完美了。

Word Originearly 17th cent.: probably an alteration of dialect twick ‘pull sharply’; related to twitch.

BNC: 20508 COCA: 10855

tweak

To make something better: improve, enhance, remedy...

Changes: effect, change, trend...