首鼠兩端

(idiom) to hesitate / to remain undecided

head / chief / first (occasion, thing etc) / classifier for poems, songs etc

rat / mouse / CL:隻|只[zhi1]

(bound form) rat; mouse

two / both / some / a few / tael, unit of weight equal to 50 grams (modern) or 1⁄16 of a catty 斤[jin1] (old)

both ends (of a stick etc) / two extremes

end / extremity / item / port / to hold sth level with both hands / to carry / regular

old variant of 端[duan1] / start / origin