有恃无恐 (yǒu shì wú kǒng) | Meaning: secure in the knowledge that one has backing | Chinese Idiom with Pinyin & Origin

to take advantage of one's position to bully people (idiom) · to kick people around仗势欺人zhàng shì qī rén

a dog threatens based on master's power (idiom); to use one's position to bully others狗仗人势gǒu zhàng rén shì

pride · arrogance · conceited · proud of sth骄傲jiāo ào

wanton · unbridled · presumptuous · impudent放肆fàng sì

Preparedness averts peril. · to be prepared, just in case (idiom)有备无患yǒu bèi wú huàn

secure in the knowledge that one has backing