这把椅子更结实，可以承受更重的重量。

This chair is ___sturdier and can hold more weight.

经过几个月的锻炼，他的身体变得更结实了。

After months of exercise, his body became ___sturdier.

尽管面临批评，她依然保持着更坚定的信念。

Despite the criticism, she maintained an even ___sturdier belief.