sleep on; sleep over; sleep through; slip out; slip up; slob about/around; slope off; slough off; slow down; slow up

sleep on +
(徹夜) 思考 (某事)
My boss said she'd have to sleep on it when I asked her for a raise.

sleep over
在別人家過夜
The au pair made tea for the friends who were sleeping over.

sleep through +
在...期間未能醒來;因睡著而沒有聽見或看見
I sleep through the storm even though the wind blew some slates off the roof.

slip out
溜走;悄悄地離開
The party was really dull so we slipped out and went to the pub instead.

slip up
犯小錯,失誤
The waitress slipped up and didn't bring us what we had ordered.

slob about/around
懶散;無所事事
I slobbed about all day as I couldn't be bothered to do any work.
I spent the day slobbing around at home.

slope off
溜走;開小差
The lecture sounded really boring, so I sloped off and went to the pub.

slough * off +
拋棄,丟棄
The government is increasing its powers but is sloughing off responsibility for its failures.

slough * off +
(尤指蛇) 脫 (皮),蛻 (皮)
Snakes slough off their old skin.

slough * off +
(對傷害或侮辱) 置之不理或等閒視之
He sloughed off the pain and continued running.

slow * down +
(使) 慢了下來;(使) 減緩;(使) 減速
Because Mary's level in English is lower than the rest of the students, she slows the class down.

slow down
(活動的) 減少
It is important to slow down, rest, and eat sensibly.

slow * up +
(使) 慢了下來;(使) 減緩;(使) 減速
Because Mary's level in English is lower than the rest of the students, she slows the class up.

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