on (your) toes

aware and energetic.

Acting classes and occasional work in clubs keep the actor on her toes.

Bob always looked for difficult assignments because he believed that challenging work helped him stay on his toes professionally.

• a Don Juan
• a double bind
• a double entendre
• a double whammy
• a doubting Thomas
• give a once-over
• give a piece of mind
• give a piece of your mind
• give a ring
• give a rocket
• give a rough time
• give a run for money
• give a run for their money
• give a run for your money
• give a second thought
• give as good as get
• give as good as you get
• give a shit
• give a shot
• give a taste of own medicine
• give a taste of their own medicine
• give a thumbs down
• give a thumbs down someone
• give a thumbs down something
• give a thumbs up