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これだけ， 此れ丈， 是丈
1. to this extent, to this degree, this much, this little
tbd
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知る， 識る， しる
1. to know, to be aware (of), to be conscious (of), to learn (of), to find out, to discover
2. to sense, to feel, to notice, to realize
3. to understand, to comprehend, to grasp, to appreciate
4. to remember, to be familiar with, to be acquainted wit...
tbd
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
