睁着一只眼 (睜著一隻眼) zhēng zhe yī zhī yǎn

zhēng zhe yī zhī yǎn phrase to keep one eye open
Domain: Modern Chinese 现代汉语 , Subdomain: , Concept:
Notes: (retranslated from Mathews 1931 '睜著一隻眼', p. 47)