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言う， 云う， 謂う， いう， ゆう
1. to say, to utter, to declare
2. to name, to call
3. to go (e.g. "the alarm went ping"), to make a noise
说，宣读，声明；称呼；发出(例如：警报响了‘叮’的一声)，发出声响
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せざるを得ない， せざるをえない
1. cannot avoid doing, cannot help but (do), is compelled to do, (feel) obliged to (do), has to do
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
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd
