/?n?k.?.??/making youfeelverytired:使人筋疲力尽的What a knackeringdayit's been!这一天真累人!SMART Vocabulary: related words and phrasesComplicated and difficult to do
advanced
ambitious
ambitiously
another
arduous
fierce
formidable
formidably
get blood out of/from a stoneidiom
grail
onerous
overdemanding
painstaking
picnic
problematic
tuff
ultra-sensitive
unresolved
unsolved
unwieldy
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