in a way that is physically strong and solid or thick, and therefore unlikely to break or be hurt

We could see the boat was sturdily built/constructed. 我们看得出这艘船造得很坚固。

Nuclear plants have to be constructed sturdily enough to withstand an aircraft impact. 核电站的建造必须足够坚固以承受飞机的撞击。

in a way that is strong and determined

He took his place on the witness stand sturdily. 他坚定地站在证人席上。

She is sturdily loyal to her family. 她对家人非常忠诚。