美 [mʌk əˈbaʊt]
混乱，胡闹：指没有目的地或无所事事地浪费时间，不认真对待某事。
胡乱摆弄，乱动：指随意或不负责任地处理或操作某物。
muck about //
动词 to waste time; misbehave 混日子
do random, unplanned work or activities or spend time idly
同义词： putter / mess around / potter / tinker / monkey / monkey around / muck around
... muck around闲荡; 混日子,耍弄... putter(高尔夫球的)轻击棒... muck about闲荡; 混日子,耍弄...
... muck around闲荡; 混日子,耍弄... putter(高尔夫球的)轻击棒... muck about闲荡; 混日子,耍弄...
... move about vi (be mobile or active) 到处活动 muck about 鬼混，闲荡 nothing to say about 无话可说 ...
无所事事
闲荡
You'd better not to muck about any more. You're old enough to get a job.
你别再混日子啦，像你这岁数早该找个活儿干了。
Children will want to muck about but tell them straight off that it isn't very polite.
孩子们可能会胡闹但要直截了当的告诉他们那是不礼貌的行为。
"I do still muck about here sometimes," he said, but I wasn't sure how often that might be.
他说：“在这我有时仍在混日子。”但我不能确定他到底是否常常瞎混。
People don't want to come in when there's muck floating about.
BBC: Mevagissey pub landlord quits job after repeated flooding
Failure to adapt to the rapidly changing methods of media distribution will leave the clueless wallowing behind like mastodons in the muck of a Pleistocene tar pit (about as slow and agonizing of a death as I can imagine).
What can be done about this accelerating drift into the muck?
WSJ: Ralph Nader and Robert Weissman: The Case Against Corporate Speech