meaning of the word

The meaning is半途而廢, 中途停止

We must care for the weak who would otherwise fall by the wayside . 我們要關心那些弱者, 不然他們會因失敗而放棄努力的。 I hope I can help you!!

drop by the wayside
迷入歧途,墮落,遭受失敗
半途而廢
to fail to keep up with others.

Example:
Many of the students will drop by the wayside and never finish. Those who fall by
the wayside will find it hard to catch up.