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勝手口， かってぐち
1. kitchen door, back door, service door, tradesman's entrance
2. host's entrance to a tea-ceremony room
厨房门、后门、服务门、工匠入口
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いけない
1. bad, wrong, naughty
2. must not (do, be), should not, ought not to
3. useless, no good, bad
4. hopeless, beyond hope
5. unfortunate, a shame, a pity
6. unable to drink (alcohol)
7. so as not to ..., so that ... (won't), in case ..., for fear that ...
以免……，以免……，以防万一……，担心……，唯恐……
から
1. from (e.g. time, place, numerical quantity), since
2. from (originator), by
3. because, since
4. out of (constituent, part)
5. through (e.g. window, vestibule)
6. after, since
7. expresses sympathy or warning
从，自……；因为；被，用于……