Last two for Mr elderly please. 23D - Hot state making one hesitate over decision (5) H??ER 27A - Take trouble in dance - it'll protect your rear (7) ??R?dos Help appreciated.
27a.
reredos possibly
noun a stone or wooden screen or partition wall, usually an ornamental one, behind an altar.
ETYMOLOGY: 14c: from French areredos, from arere behind + dos back.