谨慎行事 play it safe ; take no chance ; Proceed with caution

谨言慎行 tread softly

说话谨慎行事 Speak and act cautiously

言行谨慎 discreet

审慎行事 steering a cautious course ; to act prudently

谨慎行动 Moving carefully

小心谨慎行事 treat it with respect

行路谨慎 pick one's way

言行谨慎的 discreet

慎重行事 take no risks ; carefully conduct