Please answer using the following format:
1 (found by LannyStrack)
not be caught dead
2 (found by LannyStrack)
on the spot
3 (found by Glorfindel)
Around the clock
4 (found by JMP)
Hit the road
5 (found by @Stiv)
Safe as houses
6 (found by Stratos)
Sharp Note
7 (found by JMP)
Right as rain
8 (found by JMP)
Soak up the sun
9 (found by @Stiv)
(He's) no spring chicken
10 (found by LannyStrack)
Whale alert a whale of a time
11 (found by Lakshay Sura)
Smoke up Go up in the smoke.
12 (found by Stratos)
Going bananas
13 (found by @Stiv)
(An) old flame
14 (found by Glorfindel)
What goes around, comes around
15 (found by @Stiv)
Egg on your face
16 (found by @Stiv)
Tough cookie
17 (found by Stratos)
with both eyes open Eye for an eye
18 (found by Lakshay Sura)
Beyond the clouds
19 (found by @Stiv)
In hot water
20 (found by @Stiv)
Wet behind the ears
21 (found by LannyStrack)
After rain comes sunshine rain or shine
22 (found by Glorfindel)
It's not rocket science
23 (found by @Stiv)
Think outside the box
24 (found by JMP)
Costs an arm and a leg
25 (found by @Stiv)
The world is your oyster
26 (found by @Stiv)
On the ball
27 (found by Glorfindel)
When there's smoke, there's fire
28 (found by )
curry favor
29 (found by Toby Mak)
Sunset years
30 (found by @Stiv)
When the chips are down
31 (found by LannyStrack)
fire and ice
32 (found by @Stiv)
Let the cat out of the bag
33 (found by JMP)
One foot in the grave
34 (found by @Stiv)
Cat got your tongue
35 (found by JMP)
One for the road
36 (found by Glorfindel)
A babe magnet
37 (found by @Stiv)
A picture's worth a thousand words
38 (found by @Stiv)
For all the tea in China
39 (found by @Stiv)
(A) bad egg
40 (found by @Stiv)
A bite of the cherry
41 (found by @Stiv)
Catnap
u, and you should edit your answer to check the 'community wiki' checkbox. $\endgroup$<s>test</s>, it does work in posts) to mark incorrect answers. They'll get overwritten eventually, I guess. $\endgroup$