adv.尚可地，也还过得去地

clean passably → 擦得尚干净

1.Nearly all of them speak passably.
[汉]他们差不多所有的人都讲得还不错。

【Adverb】

1. to a moderately sufficient extent or degree;
"the shoes are priced reasonably"
"he is fairly clever with computers"
"they lived comfortably within reason"