have （或keep） an ear to the ground

have （或keep） an ear to the ground be well informed about events and trends 对情况（或事态）了如指掌。

• panarteritis
• Lotus 1-2-3
• put someone behind bars
• bring someone/thing down
• tampions
• stonecrops
• reading rate
• retiring age
• Tsushima Current
• lapicides
• fid.
• embryoctomy
• Arabian coffee
• Bermejo (River)
• on/in sb's behalf
• Ustert
• frail job
• about/on your person
• amorphs
• Siberian husky
• codefendants
• bouvier des flandress
• sugar the pill
• up to the hammer
• deterrents
• praus
• collective behavior
• caledonian
• cockpit voice recorders
• prothonotary
• slough grass
• deadheadings
• d.h
• photogeology
• komatsus
• nature trails
• nonself
• immrama
• furbearers
• Lasker, Emanuel
• precept
• ballast pocket
• orchitis
• cave pearls
• groundskeeping
• envest
• speak/say sth above one’s breath
• on (或upon) tick
• cancerphobia
• disseized
• hit the ground running
• deoxidation
• baghs
• officerhood
• spivvish
• oceanography
• turn offs
• Hobbesian
• a mell of a hess
• Bode diagram
• distorted
• invisible college
• cradlesongs
• acuminated
• ramalling
• independent chuck
• fan vaulting
• compound-wound
• tholed
• tin oxalate
• pegboard
• linecuts
• phenolase
• mesotil
• widowly
• capriccios
• subtilisin
• content (for sb) to do sth
• quick on the trigger
• exordial
• city slicker
• ride (或 mount) the high horse
• stick out to sb / stick out in sb's mind
• hele
• active current
• reckon without one's host
• buckhounds
• I give you…
• sterer
• energy-saving industry
• synaptically
• bottle cell
• melanosomes
• flagons
• bugeye
• indeedy
• watch someone's dust (或 smoke)
• mermen
• interior video
• piperin