British, informal, American, informal

to be making good progress and to be likely to succeed.

We're cooking on gas. Keep the work coming in like this and we'll meet the deadline.

• thin end of the wedge
• thing is
• thing of the past
• thing or two
• things have come reached a pretty pass
• things have come to a pretty pass
• think again
• think are God's gift to women
• think back
• think better of
• think better of it
• think better of something
• think big
• think for
• think for yourself
• thinking man's crumpet
• thinking woman's crumpet
• think long and hard
• think nothing of
• think nothing of doing something
• think nothing of something
• think on feet
• think on your feet
• think out loud
• think outside the box