Be on the qui vive for and Be on the lookout for

Be on the lookout for and be on the qui vive for are semantically related. In some cases you can use "Be on the lookout for" instead a verb phrase "Be on the qui vive for".

Be on the qui vive for and be on the lookout for are semantically related. You can use "Be on the qui vive for" instead a verb phrase "Be on the lookout for".