Across: 1. build up to present - chain for one's sweetheart in that case (10), s???n?????, 10. press 'clear' - delete page (4)?r?e (free?) 26. extremely tricky on submarine close to depth charge (4) d?t? (duty?)
Down: 2. withdraw $1000 from bank to travel (4)??d?, 4. using walking poles, head off to slopes (5) ??l?s