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必ず， かならず

1. always, without exception, necessarily, certainly, without fail, positively, invariably

必须，必定

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この， こん， 此の， 斯の

1. this 2. last (couple of years, etc.), these, past, this 3. you (as in "you liar")

这个；最近（几年等）、这些、过去、这个；你（例如指“你这个骗子”）

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はがき， ハガキ， 葉書， 葉書き， 端書， 端書き， 羽書

1. postcard 2. memo, note, card

tbd

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を

1. indicates direct object of action 2. indicates subject of causative expression 3. indicates an area traversed 4. indicates time (period) over which action takes place 5. indicates point of departure or separation of action 6. indicates object of d...

表示动作的直接对象；表示经过的场所；表示离开或分开的点

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投函， とうかん

1. mailing, posting

寄信

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なさい， 為さい

1. do ...

tbd

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