那学生自知缺乏这方面的能力.
vt. disable 使…伤残, 丧失能力
adj. disabled 残疾的 反义词: ability
4．simply adv.
? merely, only 仅仅，只不过
eg. He studied many languages simply for pleasure.
他学了多种语言，目的只是为了乐趣。
? in an easy way 简单的，简明的
This kind of house can be built quite simply.
译: 尽可能简单地解释一下。
Explain it as simply as you can.
? In a plain or unfussy
way 朴实地，朴素的 Eat simply, dress simply and live simply.
粗茶淡饭，穿着朴素，生活俭朴。 辨：
adj. simple 强调在理解方面没有困难的，易懂的
adj. easy 指完成一件工作时没有困难，不费力就能做到
eg. The question was not
so simple as I imagined.
The problem is easy to solve.
5. dedicated adj. ? working hard at sth. because it is important to you 献身的，专注的，一心一意的
She is dedicated to her job.
她对工作专心致志。
