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- We remained on guard and the work of strengthening the dyke continued. 我们仍然保持警惕，加固堤坝的工作继续进行。
- Be on guard when somebody flatters you. 有人奉承你时，一定要当心。
- While danger threatens we must all be on guard. 危险正逼近，我们必须保持警惕。
- A few pears remain on the trees. 树上尚留有几颗梨子。
- A sentry stood on guard at the corner. 一个哨兵在角落里站岗。
- There are soldiers on guard at the gate. 大门口有士兵在守卫。
- During all this time, Little Gavroche, who alone had not quitted his post, but had remained on guard, thought he espied some men stealthily approaching the barricade. 伽弗洛什是唯一没有离开岗位留在原地守望的人，他在这时仿佛看见有些人朝着街垒偷偷地摸过来。
- on guard against con artists; must remain on your guard in such a situation. 警惕反对派艺术家；在这种情况下必须保持警惕。
- Be on guard against those who are jealous of your success. 要提防那些嫉妒你的成功的人。
- The monks remained inside their monasteries late Saturday morning with troops remaining on guard outside and blocking nearby roads. The streets of the Yangon and Mandalay were quiet. 今天早晨,僧侣仍被困在寺院里,军队还在外面警戒,封锁临近的公路,仰光和曼德勒的街道一片寂静。
- Can the fire remain on until we come back? 炉火能继续烧到我们回来吗?
- on guard against con artists; must remain on your guard in such a situation 警惕反对派艺术家；在这种情况下必须保持警惕
- White scars remain on his cornea. 他的眼角膜上留下了萝卜花的瘢痕。
- But we must remain on the alert. 但是我们现在仍然要保持警惕。
- We must be on guard against hidden enemies. 我们必须警惕暗藏的敌人。
- His final cards remain on my bulletin hoard today. 他最后给我的卡片至今仍留在我的记事板上。
- We thought it best to be on guard. 我们觉得最好还是保持警锡。
- Will it remain on the ground without melting? 能落在地上不融化吗?
- He told us again and again to be on guard. 他一再要我们提防。
- Fire extinguishing systems remain on stand-by. 灭火系统保持在待用状态。
