tai4 gong1 diao4 yu2, yuan4 zhe3 shang4 gou1 Willing fish rising to lord Jiang's hookless line. Said of a person who willingly plays into the hands of someone else.
旁若无人
pang2 ruo4 wu2 ren2 As if there was nobody around. Acting as if there was nobody present in the vicinity. Self-assured or supercilious.