Shanhai Pass

Synonym of 関東 (Kantō): the area east of 逢坂の関 (Ōsaka-no-seki, “tollgate of Ōsaka-yama”) or the 函谷関 (Kankoku-kan, “Hangu Pass”)

the lock and key for a gate

to close and lock a gate

not, non-, un-

unexpectedly, suddenly

The hiragana syllable ふ (fu). Its equivalent in katakana is フ (fu). It is the twenty-eighth syllable in the gojūon order; its position is は行う段 (ha-gyō u-dan, “row ha, section u”).

expresses an ongoing state / expresses reptition

賦: fu (Chinese literary form developed during the times of the Han dynasty that combines prose and poetry) / 麸, 麩: wheat bran; wheat gluten; foods made from wheat gluten, somewhat similar to bread

不: un-, non-, in-