HSK 7
5531 Vocabularyto be a little bit careless; to have a moment of inattentiveness
not one thread loose (idiom); strictly according to the rules
meticulous
not one hair out of place
one move, two gains (idiom); two birds with one stone
to have achieved nothing
to be a total failure
to get nowhere
the name of various contactless smart cards, notably Yikatong (mainly for public transport in Beijing) and iPASS (mainly for public transport in Taiwan)
muddled and completely collapsing (idiom); in an awful condition
complete shambles
a total mess
one head
a head full of sth
one end (of a stick)
one side
headlong
directly
rapidly
simultaneously
just as in the past (idiom); as before
continuing as always
thoroughly (idiom)
completely
one and all
very clean
concentrating one's thoughts and efforts
single-minded
bent on
intently
(idiom) immutable; impervious to change; set in stone
a skill
mastery of a trade
by oneself
without outside help
proficiency in a particular field (idiom)
skill in a specialized area (idiom)