surreptitious
- 1. He gave her a surreptitious look as he took four more of her cookies.
- 他又把她的饼干抓走四块，还偷偷向她瞄了一眼。
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- 2. Collection of data is done in an extremely surreptitious and meticulous manner.
- 数据收集工作是在极其秘密细致地。
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- 3. Collection of data is done in an extremely surreptitious and meticulous manner.
- 数据收集工作是在极其秘密细致地。
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