拼
殚精竭虑
HSK1idioms 0 · Lv.1
dānjīngjiélǜ
lo lắng hết lòng; hết lòng hết sức
beat/cudgel/rack one's brains; tax one's ingenuity; devote one's entire energy and thought (to)
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⭐ Lv.10 分 · 距下一级 50 分
lo lắng hết lòng; hết lòng hết sức
beat/cudgel/rack one's brains; tax one's ingenuity; devote one's entire energy and thought (to)