Someone or something that is robust is very strong or healthy.
He was always the robust one, physically strong and mentally sharp.
他一向是个健壮的人,身体强壮,头脑敏锐。
Robust views or opinions are strongly held and forcefully expressed.
The Secretary of State has made a robust defence of the agreement.
国务卿对这项协议进行了强有力的辩护。