time / hour / the hours or time when something happens

strict 守り — following of protocol, keeping of secrets, etc.

to strictly 守る — follow protocol, keep secrets, etc.

timetable

an hour-long period

(dialect, Ibaraki) time / (dialect, Ibaraki) hour / (dialect, Ibaraki) the hours or time when something happens

(dialect, Ibaraki) an hour-long period

(dated) gaggingly, heavingly / (dated) belchingly, burpingly

(dated) a burp, a belch

The hiragana syllable しゅ (shu). Its equivalent in katakana is シュ (shu).