Clue 74 -
It�s disconcerting but not likely to get you in a hole! (3, 7)
the 7 letter word is one of those words which is pronounced differently for its different meanings - e.g rowing --- rowing a boat
rowing --- having an argument
First Meaning -
It's disconcerting ---- think of a phrase for this, the first word being OFF
Second meaning -
Then think of having a bad day on the green (all 18 holes!)
Clue 78
First 7 letter word -
Grilling ... as in getting information out of someone
Second 4 letter word -
Number 26 - look up the Periodic Table
The whole phrase is something that you would do in the fitness gym to build muscle!
Good luck