(as) dull as dishwater

US /əz dʌl əz ˈdɪʃˌwɔtər/
UK /əz dʌl əz ˈdɪʃˌwɔtər/
"(as) dull as dishwater" picture
1.

sangat membosankan, tidak menarik

very boring or uninteresting

:
The movie was as dull as dishwater, I almost fell asleep.
Film itu sangat membosankan, saya hampir tertidur.
His presentation was as dull as dishwater, full of facts but no passion.
Presentasinya sangat membosankan, penuh fakta tapi tanpa gairah.