They were the tip of an iceberg.
这还只是冰山的一角。
Only the tip of an iceberg pokes up above water.
只有冰山的尖端突出于水面。
Only the tip of an iceberg shows above the water.
只有冰山的顶部露出水面。
The airliner crash is seen as merely the tip of an iceberg.
这次飞机坠落被看作仅仅是冰山一角（只是其中的一个例子）。
At best, what they know is perhaps just the tip of an iceberg.
充其量，大家所知道的排毒知识只是冰山的一角。
Most likely, current job losses are only the tip of an ugly iceberg.
当前的裁员浪潮很可能只是冰山一角。
Most likely, current job losses are only the tip of an ugly iceberg.
当前的裁员浪潮很可能只是冰山一角。
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