onions

n. sharp-tasting edible bulb consisting of concentric fleshy layers (used much in cooking); any of various bulbous hollow-leaved plants which are cultivated for their sharp-tasting edible bulb

Many plants in the genus Allium are known by the common name onion but, used without qualifiers, it usually refers to Allium cepa. Allium cepa is also known as the 'garden onion' or 'bulb' onion and 'shallot'.
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Noun
1. edible bulb of an onion plant
(hypernym) bulb
(part-holonym) onion plant, Allium cepa
2. bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
(synonym) onion plant, Allium cepa
(hypernym) alliaceous plant
(hyponym) shallot, eschalot, multiplier onion, Allium cepa aggregatum, Allium ascalonicum
(substance-meronym) isothiocyanate
3. an aromatic flavorful bulb
(hypernym) vegetable, veggie
(hyponym) Bermuda onion

Seeing quantities of onions in your dreams, represents the amount of spite and envy that you will meet, by being successful.

If you eat them, you will overcome all opposition.

If you see them growing, there will be just enough of rivalry in your affairs, to make things interesting.

Cooked onions, denote placidity and small gains in business.

To dream that you are cutting onions and feel the escaping juice in your eyes, denotes that you will be defeated by your rivals.
  

xiao3 cong1 ban4 dou4 fu4... yi4 qing1 er4 bai2
A little onion mixed with toufu... one is green but the two are white.
When the ingredients are mixed, the colours will change. Completely innocent. As simple as a dish of white beancurd and scallions.