• have one's nerves on edge, one's nerves are on edge
• edgily, jumpily, on tiptoe, restlessly
• to aggravate, to annoy, to bug, to excite, to faze, to fidget, to flurry, to fluster, to flutter, to get into sy's hair, to peeve, to rasp sy's feelings, to rattle
• chafing, flutter, jangled nerves, jitter, jumpiness, needle, nerves, nervousness, skittishness, vapours, willies
• aggravating, exasperating, nerve-racking, nettlesome, pesky, tiresome