主句 They hurl their passion into their work
讓步狀語從句 be it physical like the work of a smith, or more mental like that of a scientist or an artist（虛擬語氣，是 whether it should be … 省略 whether 和 should 後的倒裝）
〔謂語動詞〕be
〔主語〕it
〔並列表語〕physical like the work of a smith, or more mental like that of a scientist or an artist