3d. Bomb hill next to journo in river (7) T?R?E?A, 6d. Looking up say at bird on twig (3,2) G?T/IT, 20a. Gentle 21 - no way! (6) T?N?E?, 24a. Part left in eggs (4) R?L?. Apart from the first which I can't do (TOR....), can you explain the others, please?