怯 (w)

(qiè) timid; cowardly; rustic

怯子 (w)

(qièzi) person with country accent; rustic; country bumpkin

怯弱 (w)

(qièruò) timid; weak

怯懦 (w)

(qiènuò) timid; gutless; weakling

怯生 (w)

(qièshēng) shy

怯生生 (w)

(qièshēngshēng) shy

怯声怯气 (w)

(qièshēngqièqì) to speak in a frightened voice that lacks courage (idiom)