self-doubt

top, unprepared, adventurous, alarming, at bay, at stake, at the last extremity, between Scylla and Charybdis, between the hammer and the anvil, between two fires, built upon sand, critical, crumbling, dangerous, defenseless, endangered, explosive, exposed, expugnable, fenceless, fraught with danger, guardless, guideless, hanging by a thread, harborless, hazardous, helpless, ill, in danger, in question, in the lion's den, insecure, naufrageous, nightfoundered, nodding to its fall, not out of the wood, off one's guard, ominous, on a lee shore, on a sandy basis, on slippery ground, on the brink, on the edge, on the rocks, on the verge of a precipice, on the verge of a volcano, on the wrong side of the wall, open to, parlous, periculant, periculous, perilous, precarious, ramshackle, reduced to the last extremity, shaky, slippery, slippy, threatening, ticklish, trembling in the balance, tumbledown, unadmonished, unadvised, under fire, unprotected, unsafe, unshielded, unstable, unsteady, untrustworthy, unwarned, vertiginous, vulnerable, waterlogged, with a halter around one's neck