Bare Bones

[grumpy01]

A little help required please.
1dn) Poet has energy that shows growth (5)?e?r? is it Leare?
3dn) Distinguish the heartless students (4) ?e?l is it Tell ?
4dn) A number get to enjoy an object (5) ?i?i? is it Digit?

[cashier]

4. Yes. Dig it

[Lie-in King]

1d Beard - 'e(nergy)' (in) 'bard'
3d Yes - 't(h)e' (heartless) + 'l(earner)' (x 2)
4d Yes - Dig (to enjoy) + 'it' (an object)

[Mamyalynne]

Beard

Less

Digit

[Calibax]

3d T(h)e LL
4d Dig it

[elliemay1]

4 yes, dig it means to enjoy

[grumpy01]

Thanks all and L-I-K for the detailed explanation on all 3.