涙腺が緩む (るいせんがゆるむ) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-mu)
get teary; be moved to tears
idiomatic expression
Idiomatic expression literally meaning 'the tear glands loosen'; used when someone is on the verge of tears from emotion, not necessarily full crying.
卒業式では、多くの人の涙腺が緩む。
At graduation ceremonies, many people get teary.