keep one's eye on（或take one's eye off）the ball

keep one's eye on（或take one's eye off）the ball keep (or fail to keep) one's attention focused on the matter in hand 集中（或未能集中）注意力。

• supper club
• level playing field
• brainily
• all the worse
• berzelianite
• Native States
• high-temperature polymer
• armored rope
• ofuros
• concentratedness
• samarkands
• the Big Three, Four,etc.
• pinuses
• in strength
• be (all) for
• smashing
• cloistral
• quadrating
• ANZAAS
• ridge roof
• hand over (to sb)
• steadfast as a rock
• squills
• under caution
• amidic
• nuchal rigidity
• static electricity
• sawdust trail
• injectant
• straddling
• aftereffects
• metacompiler
• misgivings
• MCom
• solutizer-tannin process
• a house of God
• embryomata
• lacily
• cestoids
• beg to
• strick
• refectorial
• pneumatogram
• full-fashioned
• South Atlantic Current
• close-tolerance forging
• wailingly
• exclamation mark
• dispersion force
• infectious unit
• hyponymous
• Navy Cross
• shelver
• bronch-
• Hiss serum water
• single cross
• Thomas-Fermi atom model
• gorgy
• institute against
• get round
• black diseases
• etymologies
• high-level index
• Wash.
• Ruskinean
• sluggish schizophrenia
• tuck-pointing
• mole percent
• goofed
• spaes
• gangsterdom
• mellers
• itec
• incapacitations
• run away with the idea
• action spectrums
• lock sth ↔ in
• come / go / turn full circle
• have all buttons
• tazzas
• gravitational potential energy
• the/your best bet
• black something out
• drum majorettes
• aminosuccinic acid
• pdr.
• head organ
• be on the trail of sb / sth
• blood vengeance
• put up one's plate in a certain street
• go off
• under control
• rope-lay conductor
• bell-bottom(ed)
• air wedge
• eruptional
• asking
• week in, week out
• shoehorn
• etherealities