「不言而喻」

(pos:語句)
<explanation>
yue:唔使講都知；心照
eng:describes things that are understood without having to be said.
<eg>
yue:呢啲嘢不言而喻啦，仲使我講？ (nei1 di1 je5 bat1 jin4 ji4 jyu6 laa1, zung6 sai2 ngo5 gong2?)
eng:Everybody knows this; do I even need to say it out?