English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
Obligatory THE
Guys, you have to be ~at alert~ (nonstandard).
Guys, you have to be on the alert (standard).
~If worse comes to worse~ , you can seek loan (nonstandard).
If the worst comes to the worst, you can seek loan (standard).
This person is ~a green snake under the green grass~ (nonstandard).
This person is a snake in the grass (standard).
GAB