like: 调查 → →
untersuchen ☊ 
điều tra ☊ 
调查 ☊ diàochá untersuchen ☊ 调查 ☊ diàochá 
调查 → ☊ diao4cha2 
investigation; inquiry; to investigate; to survey; survey; (opinion) poll; CL:项/项xiang4,个/个ge4 ☊ Survey ☊ 询问 ☊ → 打听 ☊ → 调查 ☊ → 
inquiry 调查 ☊ → ☊ → ☊ → investigate 调查 ☊ → 调查研究 ☊ → ☊ → investigation 市场 ☊ → 集市 ☊ → 行情 ☊ → market 调查 ☊ → 研究 ☊ → ☊ → research 
调查 to examine untersuchen 调查 to explore untersuchen 调查 to inspect untersuchen 调查 to look into untersuchen 调查 to probe untersuchen untersuchen ☊ điều tra ☊ 调查 ☊ diàochá untersuchen ☊ 调查 ☊ diàochá