Learner's definition of FUSS
1
: activity or excitement that is unusual and that often is not wanted or necessary大惊小怪；无谓的激动 [noncount]
[singular]
—
often used with make常与make连用 -
We'd love to come to dinner, but please don't make a fuss. [=don't do a lot of extra things that you would not usually do]我们愿意来吃晚饭，但是千万不要太麻烦。
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(US) Everyone made such a fuss over the baby. = (Brit) Everyone made such a fuss of the baby. [=everyone paid a lot of excited attention to the baby]每个人都对婴儿呵护备至。
2
: an expression of anger or complaint especially about something that has little importance（为小事）大发脾气，大发牢骚 [noncount]
—
often used with make常与make连用 [singular]
2 fuss /ˈfʌs/ verb
fusses; fussed; fussing
fusses; fussed; fussing
Learner's definition of FUSS
[no object]
1
: to be or become upset or worried烦忧；焦虑 ◊ In informal British English, someone who is not fussed is not bothered or worried.（非正式英国英语）不烦恼的，不焦虑的
2
US : to show that you are annoyed or unhappy气恼；生气 -
The baby fussed all day.那个婴儿一整天都在哭闹。
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Stop fussing and get to work!别再闹了，干活去！
-
He's fussing about his new assignment.他对给他的新任务一直耿耿于怀。
fuss over
[phrasal verb] fuss over (someone or something)
: to pay a lot of attention to (someone or something) in a nervous or excited way（对…）关爱备至，过分关心 -
Everyone fussed over the baby.每个人都对婴儿呵护备至。
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He spent hours fussing over the details of the speech.他花了几个小时仔细斟酌演讲的细节。
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I don't want anyone to fuss over me.我不希望任何人对我过分关注。
fuss with
[phrasal verb] fuss with (something)
: to move or handle (something) in a nervous or uncertain way : to fiddle with (something)（紧张不安地）摆弄