危惧 (translations)→ afraid concern horror reservation suspicion
疑念 (translations)→ confusion doubt notion sus
不安 (translations)→ alarm angst anguish anxiety apprehension apprehensive discomfort disquiet distress fear fearful nerve nervous nervousness perturbation restless scare strain terror uncertainty uncomfortable unease uneasiness uneasy unrest worry
不信感 (translations)→ disbelief distrust mistrust
躊躇 (translations)→ compunction coyness indecision