in·se·cure /ˌɪnsɪˈkjʊr/
 (a.)不安全的,不牢靠的,不堅固的,不穩定的
 In·se·cure a.
 1. Not secure; not confident of safety or permanence; distrustful; suspicious; apprehensive of danger or loss.
    With sorrow and insecure apprehensions.   --Jer. Taylor.
 2. Not effectually guarded, protected, or sustained; unsafe; unstable; exposed to danger or loss.
    The trade with Egypt was exceedingly insecure and precarious.   --Mickle.
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 insecure
      adj 1: not firm or firmly fixed; likely to fail or give way; "the
             hinge is insecure" [ant: secure]
      2: lacking in security or safety; "his fortune was increasingly
         insecure"; "an insecure future" [syn: unsafe] [ant: secure]
      3: lacking self-confidence or assurance; "an insecure person
         lacking mental stability" [ant: secure]
      4: not safe from attack [syn: unsafe]
      5: not financially safe or secure; "a bad investment"; "high
         risk investments"; "anything that promises to pay too much
         can't help being risky"; "speculative business
         enterprises" [syn: bad, risky, high-risk, speculative]