Chinese Characters Pronounced "gu" (Pinyin)

estimate

underestimate

Low point

ancient times

classical

ancient

Sound of a heavy object falling into water or hitting something

Muttering, complaining indistinctly in a low voice

Sound of liquid flowing or stomach rumbling

review

fixed; stable

admittedly; it is true that

sturdy; solid

Father's married sister

Father's sister

Young unmarried woman

Orphan

Loneliness

Isolation

Valley