尽管年事已高，他的体格却异常强健，很少生病。

Despite his age, he had a remarkably ___strong constitution and rarely fell ill.

她虚弱的体质意味着在冬季她必须格外小心。

Her delicate ___constitution meant she had to be extra careful during the winter months.

强健的体格常被视为一种福气，尤其是在面对衰老带来的挑战时。

A robust ___constitution is often seen as a blessing, especially when facing the challenges of ageing.