undertaking
noun [ C ] uk/ˌʌn.dəˈteɪ.kɪŋ/ us/ˈʌn.dɚˌteɪ.kɪŋ/
(JOB)
C2 [ C ]工作;任务;企业;事业
a job, business, or piece of work
The construction of the tunnel is a large and complex undertaking. 该隧道的修建是项复杂的大工程。
(PROMISE)
[ C ] formal正式承诺
a formal promise
[ + that ] formal The manager gave a written undertaking that no one would lose their job. 经理写下了书面保证，不会让任何人丢掉工作。
Synonyms: assurance (PROMISE)bond (PROMISE)commitmentguarantee oath (PROMISE)pledge promise (SAY CERTAINLY)vow word (PROMISE)