| Clue | Source | Date |
|---|---|---|
| Check on secretively | ||
| Glance through an open door, say | LA Times Daily | 18 Oct 2023 |
| Spy, in a way | ||
| Spy, in a way | LA Times Daily | 07 Oct 2021 |
| Take a furtive look | New York Times | 30 Mar 2019 |
| Have a quick look-see, say | New York Times | 14 Mar 2019 |
| Take a furtive look | ||
| Have a quick look-see, say | ||
| Have a quick look from the doorway, say | ||
| Look through the shutters | ||
| Look through the shutters | ||
| Have a quick look from the hallway, say | ||
| Quickly check (on) | ||
| Check on sleeping kids, perhaps | ||
| Examine slyly |