be even harder to的用法和樣例：
例句
- Unless the lot of the poor improves faster, pressure from the left will become ever harder to resist.
除非大批窮人能更快提高生活水平，來(lái)自左翼的壓力才會(huì )變得更難以存在。 - Bacteria in such a film are embedded in a polymer matrix, which makes them harder to kill than isolated individuals.
在生物膜中的細菌鑲嵌在聚合物基質(zhì)中，使得它們比孤立的個(gè)體更難以殺死。
