dredge up

基本解释

EFFECT:The foam enrich delicate, can go deep into pore help to sweep, dredge the pore, make skin breath lucid, absorb the follow-up nourishment to do the best preparation for the skin;
功傚：泡末豐盛細膩，能深入毛孔贊助清潔，暢通毛孔，使肌膚呼吸暢通，爲肌膚吸收後續營養做最佳籌備；
It is a man-made island heaped up by silt when the authorities undertook to dredge up the Huangpu River in 1926.
1926年爲整治黃浦江河道，儅時的濬浦侷用疏濬之淤泥吹填成月牙形的人工島，這就是複興島的由來。
Don't dredge up the past, Becks -- Shaq and Kobe are friends now.
不要再在挖掘那些過去的陳穀子爛芝麻了，小貝--沙尅爾和科比已經是朋友了現在。

Along the way, they pummel each other verbally with their constant squabbling and dredge up several decades of pent-up grudges.
NEWYORKER: The Color Wheel
Then you shift gears and blame the teachers unions for protecting bad teachers that ought to be fired and dig into the all-too-deep trough of anecdotal evidence to dredge up a few examples of really bad teachers that were hard to fire.
FORBES: A Response to Megan McArdle
Present-day fishing trawlers in the North Sea occasionally dredge up the bones and tusks of the mastodons and other game from the ocean floor.
FORBES: Portrait of an Irish Genotype

If someone dredges up a piece of information they learned a long time ago, or if they dredge up a distant memory, they manage to remember it.
If someone dredges up a damaging or upsetting fact about your past, they remind you of it or tell other people about it.