Staff called him a turncoat after he left to work for our main competitor.

他離職去我們的主要競爭對手上班後，員工都說他是叛徒。

The board treated the former partner as a turncoat for sharing pricing data with rivals.

董事會把那位前合夥人視為背叛者，因為他把定價資料洩漏給對手。

Some clients saw the sales rep as a turncoat when he took accounts to another firm.

那位業務帶著客戶跳槽到別家公司，有些客戶覺得他是變節者。