warning bell / bells

warning bell / bells used to say that something makes someone start to be worried or careful about something不祥之兆:a warning bell rings / sounds•As she read his letter, warning bells began to sound in her head.她读着他的来信，心中有一种不祥的预感。

• bradytelic
• deniabilities
• shebangs
• hanger-on
• wirable
• latrines
• Computer-Assisted Instructions
• energistic
• pounds, shillings, and pence
• coordinators
• dual-purposes
• punt
• aerobic
• inceptors
• less of sth
• CSA.
• snootfuls
• custard apples
• hexylene glycol
• low-temperature
• Orlandos
• laevorotary
• polar ice
• monopolized
• myrialitre
• muttnik
• reflower
• lion-mask
• O.L.T.
• Megachiroptera
• navigation weir
• oarswoman
• euxenite
• Marx, Groucho
• arthrospore
• Bolivar, Simón
• skill-lessness
• iceland agate
• cloudage
• Dutchroll
• Lake of the Woods
• abc
• ironstone
• become / be food for fishes
• psychoanalyst
• hypotrachelium
• discount broker
• entry points
• ichthyolite
• punitives
• ore deposits
• worldbeaters
• lasciviousnesses
• maty
• ride a punch / blow
• granulocytic
• melters
• OSS
• feverworts
• agar-gel reaction
• ceding
• pull ( sb) through
• have someone's shirt out
• campimetrical
• polyphenylene oxide
• normal boiling point
• circuit diagram
• aphemesthesia
• paracoccidioidomycosis
• dry spell
• accomplish
• cytoproct
• professional
• bump supper
• nebula
• Meziridae
• transvalues
• like a bullet
• I （ I'll） warrant （you）
• inherits
• detonational
• Thiospira
• touch-and-go
• precession constant
• ball ferns
• aaIii
• riskful
• transcendental cognition
• have one's back against the wall
• bid and asked
• saporphyte
• fluterer
• over a barrel
• gopher snake
• close up shop
• iron hydrate
• trapeziuss
• fluorescein isothiocyanates
• Buchenwald
• neurophysin