161. Keep An Eye On Him
Meaning: You should carefully watch him.
162. Keep body and soul together:
Meaning: To earn a sufficient amount of money in order to keep yourself alive .
163. Keep your chin up:
Meaning: To remain joyful in a tough situation.
164. Kick The Bucket:
Meaning: Diagonally across. Sometimes called Catty-Corner as well.
166. Knee Jerk Reaction:
Meaning: A quick and automatic response.
167. Knock On Wood:
Meaning: Knuckle tapping on wood in order to avoid some bad luck.
168. Know the Ropes:
Meaning: To understand the details.
169.Kept a level ahead
Meaning: Was sensible
170. Last but not least:
Meaning: An introduction phrase to let the audience know that the last person mentioned is no less important than those introduced before him/her.