Sources & editorial notes
Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.
Source record: cd-75a81c8f12ffb749. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.
Original source entry:
勞心苦思 劳心苦思 [lao2 xin1 ku3 si1] /to rack one's brains/to think hard/Reference definitions and teaching material have separate provenance.
Reference information
The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.
Character information
View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.
Other forms in these source records: 勞心苦思
Reference definitions from CC-CEDICT.