-----------------------------------
取れる， とれる
1. to come off (of a button, handle, lid, etc.)
2. to go away (of a fever, pain, swelling, etc.), to disappear, to come out (of a stain), to come off (e.g. of dust), to be removed (e.g. of wrinkles)
3. to be harvested, to be picked, to be produced, t...
能够获得、能够取得、能够确保、能够赢得、能够抓住；脱落（指纽扣、把手、盖子等）
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
tbd
