巴头探脑[bā tóu tàn nǎo]
词典\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
词典peep furtively from behind:巴头探脑。
词典stretch one's head in search:巴头探脑。
peep furtively from behind; stretch one's head in search